Actually we could prove inductively that it holds, but how do we know it stops?

这是一种归纳型的定义,事实上我们能够归纳性地证明它？

麻省理工公开课 - 计算机科学及编程导论课程节选

You have discrete random variables, like the one I just defined, or there are also--which take on only a finite number of values-- and we have continuous random variables that can take on any number of values along a continuum.

就像刚定义的,是一个离散型随机变量,随机变量还可以有无限种取值,也就是连续型随机变量,随机变量可以取某一区间的一切值

耶鲁公开课 - 金融市场课程节选